DR. GREGORY J HELLIER DO
NPI 1528001336
Emergency Medicine in Youngstown, OH

Q: What is Gregory Hellier's NPI number?

The NPI number for Gregory Hellier is 1528001336. It was assigned to this individual provider in the NPPES registry on June 13, 2006. The provider is also known as Greg Hellier Do.

Q: What is Gregory Hellier's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Q: When was this NPI record last updated?

The NPPES record for Gregory Hellier was last updated on November 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 13, 2006PECOS EnrolledAccepts Medicare Assignment

77.5/100

CMS Quality Rating

3499 BELMONT AVE, YOUNGSTOWN, OH 44505(330) 759-0085(330) 333-6700 Get Directions Write a Review

NPPES record last updated: November 23, 2025. Verified against the NPPES registry weekly; last sync: October 04, 2026.

On this page

About Dr. Gregory J Hellier Do NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY J HELLIER DO (NPI 1528001336) is an individual emergency medicine provider in Youngstown, Ohio, licensed in Pennsylvania (OS007224L) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Grove City Medical Center, and maintains a secondary practice location in Pittsburgh.

NPPES Registry Identity

NPI1528001336

Entity TypeIndividualMale

Primary Taxonomy207P00000X

Provider Legal NameDR. GREGORY J HELLIERCredential: DO

Location Address3499 BELMONT AVEYoungstown, OH 44505-1807

Mailing Address2 Hot Metal St, Ermi Quantum OnePittsburgh, PA 15203-2348 · (412) 432-7424

Phone(330) 759-0085

Fax(330) 333-6700

Sole ProprietorNo

Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 1989

Enumeration DateJune 13, 2006

Last NPPES UpdateNovember 23, 2025

NPPES CertifiedNovember 23, 2025

✔ NPI 1528001336 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in PA · OS007224L

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

3499 BELMONT AVE, Youngstown, OH 44505

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Other Names 1

Other Name (5)Greg Hellier Do

Secondary Practice Location 1

Location 12 Hot Metal St, ERMI Quantum OnePittsburgh, PA 15203-2348 · Phone (412) 432-7424

Other Identifiers 2

Medicaid001404777PA

Medicaid2729453OH

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory J Hellier Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4880596766

PECOS Enrollment IDI20251126003604

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

56 services51 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

44 services44 patients

Critical care, first 30-74 minutes 99291

Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.

15 services15 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Grove City Medical Center

Acute Care Hospitals · Grove City, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390266

Location631 North Broad Street Ext.Grove City, PA 16127 · Mercer County

Emergency services

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 44505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$84.72 typical visit price

range $54.34 – $166.65

Typical copayment $21.18 (range $13.58 – $41.66)

Most-billed visit code 99203

Established Patient

$96.44 typical visit price

range $17.10 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

77.5/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

68.61

Promoting Interoperability

100

Improvement Activities

Cost

56.4

Other Providers at the Same Location NPPES 8

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MS. RACHEL LEIGH CORBIN MSN, APRN, FNP-C

Nurse Practitioner (Family)